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Nope, although i notice my 3.5 update says new version but yours has security update.

1st Jan 1970 is the Unix Epoch, so any Unix timestamp you see is calculated by the amount of seconds elapsed since that date/time. So when there's corruption with timestamps, it regularly shows as that date. Even this forum software (vBulletin) can often show users registered/posted on that date when converting databases etc.